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Make PicassoPainter's request aware of state read changes
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197
picasso-compose/src/androidTest/java/com/squareup/picasso3/compose/PicassoPainterTest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,197 @@ | ||
| /* | ||
| * Copyright (C) 2013 Square, Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package com.squareup.picasso3.compose | ||
|
|
||
| import android.graphics.Bitmap | ||
| import android.graphics.Bitmap.Config.ARGB_8888 | ||
| import androidx.compose.foundation.Canvas | ||
| import androidx.compose.foundation.layout.fillMaxSize | ||
| import androidx.compose.foundation.layout.requiredSize | ||
| import androidx.compose.runtime.CompositionLocalProvider | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.runtime.mutableStateOf | ||
| import androidx.compose.runtime.setValue | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.layout.onSizeChanged | ||
| import androidx.compose.ui.platform.LocalDensity | ||
| import androidx.compose.ui.test.junit4.createComposeRule | ||
| import androidx.compose.ui.unit.Density | ||
| import androidx.compose.ui.unit.IntSize | ||
| import androidx.compose.ui.unit.dp | ||
| import androidx.test.ext.junit.runners.AndroidJUnit4 | ||
| import androidx.test.platform.app.InstrumentationRegistry | ||
| import com.google.common.truth.Truth.assertThat | ||
| import com.squareup.picasso3.Picasso | ||
| import com.squareup.picasso3.Picasso.LoadedFrom | ||
| import com.squareup.picasso3.Request | ||
| import com.squareup.picasso3.RequestHandler | ||
| import org.junit.Rule | ||
| import org.junit.Test | ||
| import org.junit.runner.RunWith | ||
| import kotlinx.coroutines.Dispatchers | ||
|
|
||
| @RunWith(AndroidJUnit4::class) | ||
| class PicassoPainterTest { | ||
|
|
||
| @get:Rule | ||
| val rule = createComposeRule() | ||
|
|
||
| @Test | ||
| fun firstFrameConsumesStateFromLayout() { | ||
| lateinit var lastRequest: Request | ||
| val context = InstrumentationRegistry.getInstrumentation().targetContext | ||
|
|
||
| val picasso = Picasso.Builder(context) | ||
| .callFactory { throw RuntimeException() } | ||
| .dispatchers(Dispatchers.Unconfined, Dispatchers.Unconfined) | ||
| .addRequestHandler(object : RequestHandler() { | ||
| override fun canHandleRequest(data: Request): Boolean = true | ||
| override fun load(picasso: Picasso, request: Request, callback: Callback) { | ||
| lastRequest = request | ||
| callback.onSuccess(Result.Bitmap(Bitmap.createBitmap(1, 1, ARGB_8888), LoadedFrom.MEMORY)) | ||
| } | ||
| }) | ||
| .build() | ||
| var size: IntSize by mutableStateOf(IntSize.Zero) | ||
|
|
||
| rule.setContent { | ||
| CompositionLocalProvider(LocalDensity provides Density(1f)) { | ||
| val painter = picasso.rememberPainter { | ||
| it.load("http://example.com/") | ||
| .addHeader("width", size.width.toString()) | ||
| .addHeader("height", size.height.toString()) | ||
| } | ||
| Canvas( | ||
| Modifier | ||
| .requiredSize(9.dp) | ||
| .onSizeChanged { size = it } | ||
| ) { | ||
| val canvasSize = this.size | ||
|
|
||
| with(painter) { | ||
| draw(canvasSize) | ||
| } | ||
|
|
||
| // Draw triggers request was made with size. | ||
| assertThat(lastRequest.headers?.toMultimap()).containsAtLeastEntriesIn( | ||
| mapOf( | ||
| "width" to listOf("9"), | ||
| "height" to listOf("9") | ||
| ) | ||
| ) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Test | ||
| fun redrawDoesNotReexecuteUnchangedRequest() { | ||
| var requestCount = 0 | ||
| val context = InstrumentationRegistry.getInstrumentation().targetContext | ||
| val picasso = Picasso.Builder(context) | ||
| .callFactory { throw RuntimeException() } | ||
| .dispatchers(Dispatchers.Unconfined, Dispatchers.Unconfined) | ||
| .addRequestHandler(object : RequestHandler() { | ||
| override fun canHandleRequest(data: Request): Boolean = true | ||
| override fun load(picasso: Picasso, request: Request, callback: Callback) { | ||
| requestCount++ | ||
| callback.onSuccess(Result.Bitmap(Bitmap.createBitmap(1, 1, ARGB_8888), LoadedFrom.MEMORY)) | ||
| } | ||
| }) | ||
| .build() | ||
| var drawInvalidator by mutableStateOf(0) | ||
|
|
||
| rule.setContent { | ||
| CompositionLocalProvider(LocalDensity provides Density(1f)) { | ||
| val painter = picasso.rememberPainter { | ||
| it.load("http://example.com/") | ||
| } | ||
| Canvas(Modifier.fillMaxSize()) { | ||
| println(drawInvalidator) | ||
|
|
||
| val canvasSize = this.size | ||
| with(painter) { | ||
| draw(canvasSize) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| rule.runOnIdle { | ||
| assertThat(requestCount).isEqualTo(1) | ||
| } | ||
|
|
||
| drawInvalidator++ | ||
|
|
||
| rule.runOnIdle { | ||
| assertThat(requestCount).isEqualTo(1) | ||
| } | ||
| } | ||
|
|
||
| @Test | ||
| fun newRequestLoaded_whenRequestDependenciesChangedAfterFirstFrame() { | ||
| lateinit var lastRequest: Request | ||
| val context = InstrumentationRegistry.getInstrumentation().targetContext | ||
| val picasso = Picasso.Builder(context) | ||
| .callFactory { throw RuntimeException() } | ||
| .dispatchers(Dispatchers.Unconfined, Dispatchers.Unconfined) | ||
| .addRequestHandler(object : RequestHandler() { | ||
| override fun canHandleRequest(data: Request): Boolean = true | ||
| override fun load(picasso: Picasso, request: Request, callback: Callback) { | ||
| lastRequest = request | ||
| callback.onSuccess(Result.Bitmap(Bitmap.createBitmap(1, 1, ARGB_8888), LoadedFrom.MEMORY)) | ||
| } | ||
| }) | ||
| .build() | ||
| var testHeader by mutableStateOf("one") | ||
|
|
||
| rule.setContent { | ||
| CompositionLocalProvider(LocalDensity provides Density(1f)) { | ||
| val painter = picasso.rememberPainter { | ||
| it.load("http://example.com/") | ||
| // Headers are not part of a cache key, using a stable key to break cache | ||
| .stableKey("http://example.com/$testHeader") | ||
| .addHeader("testHeader", testHeader) | ||
| } | ||
| Canvas(Modifier.fillMaxSize()) { | ||
| val canvasSize = this.size | ||
|
|
||
| with(painter) { | ||
| draw(canvasSize) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| rule.runOnIdle { | ||
| assertThat(lastRequest.headers?.get("testHeader")).isEqualTo("one") | ||
| } | ||
|
|
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| var currentRequest = lastRequest | ||
| testHeader = "two" | ||
|
|
||
| // On API 21 runOnIdle returns before the composition recomposes :-( | ||
| // Waiting until the request updates, then asserting | ||
| rule.waitUntil { currentRequest != lastRequest } | ||
| assertThat(lastRequest.headers?.get("testHeader")).isEqualTo("two") | ||
|
|
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| currentRequest = lastRequest | ||
| testHeader = "three" | ||
|
|
||
| rule.waitUntil { currentRequest != lastRequest } | ||
| assertThat(lastRequest.headers?.get("testHeader")).isEqualTo("three") | ||
| } | ||
| } |
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